3033 static int prepend(char **buffer, int *buflen, const char *str, int namelen)  in prepend()  argument
3035 	*buflen -= namelen;  in prepend()
3036 	if (*buflen < 0)  in prepend()
3061 static int prepend_name(char **buffer, int *buflen, const struct qstr *name)  in prepend_name()  argument
3069 	*buflen -= dlen + 1;  in prepend_name()
3070 	if (*buflen < 0)  in prepend_name()
3102 			char **buffer, int *buflen)  in prepend_path()  argument
3119 	blen = *buflen;  in prepend_path()
3133 				blen = *buflen;  in prepend_path()
3179 	*buflen = blen;  in prepend_path()
3201 	       char *buf, int buflen)  in __d_path()  argument
3203 	char *res = buf + buflen;  in __d_path()
3206 	prepend(&res, &buflen, "\0", 1);  in __d_path()
3207 	error = prepend_path(path, root, &res, &buflen);  in __d_path()
3217 	       char *buf, int buflen)  in d_absolute_path()  argument
3220 	char *res = buf + buflen;  in d_absolute_path()
3223 	prepend(&res, &buflen, "\0", 1);  in d_absolute_path()
3224 	error = prepend_path(path, &root, &res, &buflen);  in d_absolute_path()
3239 			     char **buf, int *buflen)  in path_with_deleted()  argument
3241 	prepend(buf, buflen, "\0", 1);  in path_with_deleted()
3243 		int error = prepend(buf, buflen, " (deleted)", 10);  in path_with_deleted()
3248 	return prepend_path(path, root, buf, buflen);  in path_with_deleted()
3251 static int prepend_unreachable(char **buffer, int *buflen)  in prepend_unreachable()  argument
3253 	return prepend(buffer, buflen, "(unreachable)", 13);  in prepend_unreachable()
3282 char *d_path(const struct path *path, char *buf, int buflen)  in d_path()  argument
3284 	char *res = buf + buflen;  in d_path()
3301 		return path->dentry->d_op->d_dname(path->dentry, buf, buflen);  in d_path()
3305 	error = path_with_deleted(path, &root, &res, &buflen);  in d_path()
3317 char *dynamic_dname(struct dentry *dentry, char *buffer, int buflen,  in dynamic_dname()  argument
3328 	if (sz > sizeof(temp) || sz > buflen)  in dynamic_dname()
3331 	buffer += buflen - sz;  in dynamic_dname()
3335 char *simple_dname(struct dentry *dentry, char *buffer, int buflen)  in simple_dname()  argument
3337 	char *end = buffer + buflen;  in simple_dname()
3339 	if (prepend(&end, &buflen, " (deleted)", 11) ||  in simple_dname()
3340 	    prepend(&end, &buflen, dentry->d_name.name, dentry->d_name.len) ||  in simple_dname()
3341 	    prepend(&end, &buflen, "/", 1))    in simple_dname()
3350 static char *__dentry_path(struct dentry *d, char *buf, int buflen)  in __dentry_path()  argument
3357 	if (buflen < 2)  in __dentry_path()
3363 	end = buf + buflen;  in __dentry_path()
3364 	len = buflen;  in __dentry_path()
3395 char *dentry_path_raw(struct dentry *dentry, char *buf, int buflen)  in dentry_path_raw()  argument
3397 	return __dentry_path(dentry, buf, buflen);  in dentry_path_raw()
3401 char *dentry_path(struct dentry *dentry, char *buf, int buflen)  in dentry_path()  argument
3407 		p = buf + buflen;  in dentry_path()
3408 		if (prepend(&p, &buflen, "//deleted", 10) != 0)  in dentry_path()
3410 		buflen++;  in dentry_path()
3412 	retval = __dentry_path(dentry, buf, buflen);  in dentry_path()
3466 		int buflen = PATH_MAX;  in SYSCALL_DEFINE2()  local
3468 		prepend(&cwd, &buflen, "\0", 1);  in SYSCALL_DEFINE2()
3469 		error = prepend_path(&pwd, &root, &cwd, &buflen);  in SYSCALL_DEFINE2()
3477 			error = prepend_unreachable(&cwd, &buflen);  in SYSCALL_DEFINE2()